PST
UTC−8
Tue, Nov 3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MST/MDT
UTC−7
Tue, Nov 3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mountain Time is on standard time: MST (UTC−7) until Sun, Mar 14, 2021.
CST
UTC−6
Tue, Nov 3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST
UTC−5
Tue, Nov 3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
UTC+0
Wed, Nov 4 (next day)
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 pm17:00 PST (UTC-8), Nov 3, 2020 = 6:00 pm18:00 MST (UTC-7), Nov 3, 2020 = 7:00 pm19:00 CST (UTC-6), Nov 3, 2020 = 8:00 pm20:00 EST (UTC-5), Nov 3, 2020 = 1:00 am01:00 GMT (UTC+0), Nov 4, 2020

PST is 1 hour behind MST. PST is 2 hours behind CST. PST is 3 hours behind EST. PST is 8 hours behind GMT.

How the time difference changes

PST to MDT

For most of the year, PDT is 1 hour behind MDT. From Nov 1, 2026 to Mar 14, 2027, PST is 1 hour behind MST. Briefly around clock changes, PDT and MST have the same time or PST is 2 hours behind MDT.

For most of the year, working hours of 9:00 am to 5:00 pm in PDT correspond to 10:00 am to 6:00 pm in MDT. At other times of the year, working hours of 9:00 am to 5:00 pm in PST correspond to 10:00 am to 6:00 pm in MST.For most of the year, working hours of 09:00 to 17:00 in PDT correspond to 10:00 to 18:00 in MDT. At other times of the year, working hours of 09:00 to 17:00 in PST correspond to 10:00 to 18:00 in MST.

PST to CST

For most of the year, PDT is 2 hours behind CDT. From Nov 1, 2026 to Mar 14, 2027, PST is 2 hours behind CST. Briefly around clock changes, PDT is 1 hour behind CST or PST is 3 hours behind CDT.

For most of the year, working hours of 9:00 am to 5:00 pm in PDT correspond to 11:00 am to 7:00 pm in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in PST correspond to 11:00 am to 7:00 pm in CST.For most of the year, working hours of 09:00 to 17:00 in PDT correspond to 11:00 to 19:00 in CDT. At other times of the year, working hours of 09:00 to 17:00 in PST correspond to 11:00 to 19:00 in CST.

PST to EST

For most of the year, PDT is 3 hours behind EDT. From Nov 1, 2026 to Mar 14, 2027, PST is 3 hours behind EST. Briefly around clock changes, PDT is 2 hours behind EST or PST is 4 hours behind EDT.

For most of the year, working hours of 9:00 am to 5:00 pm in PDT correspond to 12:00 pm to 8:00 pm in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in PST correspond to 12:00 pm to 8:00 pm in EST.For most of the year, working hours of 09:00 to 17:00 in PDT correspond to 12:00 to 20:00 in EDT. At other times of the year, working hours of 09:00 to 17:00 in PST correspond to 12:00 to 20:00 in EST.

PST to GMT

For most of the year, PDT is 7 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, PST is 8 hours behind GMT.

For most of the year, working hours of 9:00 am to 5:00 pm in PDT correspond to 4:00 pm to 12:00 am (next day) in GMT. At other times of the year, working hours of 9:00 am to 5:00 pm in PST correspond to 5:00 pm to 1:00 am (next day) in GMT.For most of the year, working hours of 09:00 to 17:00 in PDT correspond to 16:00 to 00:00 (next day) in GMT. At other times of the year, working hours of 09:00 to 17:00 in PST correspond to 17:00 to 01:00 (next day) in GMT.

Compare PST time with MDT, CST, EST, and GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Standard Time is 1 hour behind Mountain Standard Time. Pacific Standard Time is 2 hours behind Central Standard Time. Pacific Standard Time is 3 hours behind Eastern Standard Time. Pacific Standard Time is 8 hours behind Greenwich Mean Time.
5:00 pm17:00 in PST is 6:00 pm18:00 in MST and is 7:00 pm19:00 in CST and is 8:00 pm20:00 in EST and is 1:00 am01:00 in GMT

PST to MST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in PST which corresponds to 10am-5pm10:00-17:00 in MST
PST to CST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in PST which corresponds to 11am-5pm11:00-17:00 in CST
PST to EST call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in PST which corresponds to 12pm-5pm12:00-17:00 in EST
PST to GMT call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in PST which corresponds to 4:30pm-5:30pm16:30-17:30 in GMT. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

5:00 pm17:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
6:00 pm18:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
7:00 pm19:00 Central Standard Time (CST). Offset UTC -6:00 hours
8:00 pm20:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
1:00 am01:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours

5:00 pm17:00 PST / 6:00 pm18:00 MST / 7:00 pm19:00 CST / 8:00 pm20:00 EST / 1:00 am01:00 GMT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
PSTMSTCSTESTGMT
1:00am2:00am3:00am8:00am
2:00am3:00am4:00am9:00am
3:00am4:00am5:00am10:00am
4:00am5:00am6:00am11:00am
5:00am6:00am7:00am12:00pm
6:00am7:00am8:00am1:00pm
7:00am8:00am9:00am2:00pm
8:00am9:00am10:00am3:00pm
9:00am10:00am11:00am4:00pm
10:00am11:00am12:00pm5:00pm
11:00am12:00pm1:00pm6:00pm
12:00pm1:00pm2:00pm7:00pm
1:00pm2:00pm3:00pm8:00pm
2:00pm3:00pm4:00pm9:00pm
3:00pm4:00pm5:00pm10:00pm
4:00pm5:00pm6:00pm11:00pm
5:00pm6:00pm7:00pm12:00am next day
6:00pm7:00pm8:00pm1:00am next day
7:00pm8:00pm9:00pm2:00am next day
8:00pm9:00pm10:00pm3:00am next day
9:00pm10:00pm11:00pm4:00am next day
10:00pm11:00pm12:00am next day5:00am next day
11:00pm12:00am next day1:00am next day6:00am next day
12:00am next day1:00am next day2:00am next day7:00am next day
01:0002:0003:0008:00
02:0003:0004:0009:00
03:0004:0005:0010:00
04:0005:0006:0011:00
05:0006:0007:0012:00
06:0007:0008:0013:00
07:0008:0009:0014:00
08:0009:0010:0015:00
09:0010:0011:0016:00
10:0011:0012:0017:00
11:0012:0013:0018:00
12:0013:0014:0019:00
13:0014:0015:0020:00
14:0015:0016:0021:00
15:0016:0017:0022:00
16:0017:0018:0023:00
17:0018:0019:0000:00 next day
18:0019:0020:0001:00 next day
19:0020:0021:0002:00 next day
20:0021:0022:0003:00 next day
21:0022:0023:0004:00 next day
22:0023:0000:00 next day05:00 next day
23:0000:00 next day01:00 next day06:00 next day
00:00 next day01:00 next day02:00 next day07:00 next day

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Map of the areas on Pacific Standard Time (PST)
PST part of the year

On November 3, 2020 all shaded areas are on PST.

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).

123456789101112Start: Pacific Standard Time (PST) started on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Pacific Standard Time (PST) ends on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See upcoming clock changes worldwide.

PST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Calgary, Edmonton, Denver, El Paso.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Daylight Time (MDT)
MDT part of the year

On November 3, 2020 the shaded areas are on UTC−7 (MST).

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).

123456789101112End: Mountain Daylight Time (MDT) ended on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

123456789101112Start: Mountain Daylight Time (MDT) starts on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

See upcoming clock changes worldwide.

MDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

On November 3, 2020 some shaded areas are on UTC−7 (MST).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).

123456789101112Start: Central Standard Time (CST) started on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Central Standard Time (CST) ends on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See upcoming clock changes worldwide.

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

On November 3, 2020 some shaded areas are on UTC−6 (Central Standard Time).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo

Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Dakar, Kumasi.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

On November 3, 2020 some shaded areas are on UTC+1.

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone